<template>
  <div class="dashboard-container">
    <div class="app-container">
      <el-card class="tree-card">
        <!-- 用了一个行列布局 -->
        <tree-tools :node-data="company" :is-root="true" @add-depts="AddDepts" />
        <el-tree :data="list" :props="defaultProps" default-expand-all>
          <template v-slot="{ data }">
            <tree-tools :node-data="data" @del-depts="getDepartments" @add-depts="AddDepts" />
          </template>
        </el-tree>
      </el-card>
      <add-dept :node-data="nodeData" :show-dialog.sync="showDialog" :origin-data="originData" :add-success="getDepartments" />
    </div>
  </div>

</template>

<script>

import treeTools from './components/tree-tools.vue'
import { reqGetDepartments } from '@/api/departments'
import { transListToTree } from '@/utils'
import AddDept from './components/add-dept.vue'
export default {
  name: 'Departments',
  components: { treeTools, AddDept },
  data() {
    return {
      list: [],
      defaultProps: {
        children: 'children',
        label: 'name'
      },
      company: { name: '江苏传智播客教育科技股份有限公司', manager: '负责人' },
      showDialog: false,
      nodeData: {},
      originData: []
    }
  },
  created() {
    this.getDepartments()
  },
  methods: {
    // 获取所有部门信息
    async getDepartments() {
      const { data: res } = await reqGetDepartments()
      // console.log(res)
      this.company = { name: res.companyName, manager: '负责人', id: '' }
      this.originData = res.depts
      // console.log(res)
      this.list = transListToTree(res.depts, '')
    },
    AddDepts(nodeData) {
      this.showDialog = true
      this.nodeData = nodeData
    }
  }
}
</script>

<style scoped lang="scss">
.tree-card {
  padding: 30px 30px;
  font-size:14px;
}
.el-tree {
  ::v-deep {
    // 小三角的样式, 去掉默认的小三角的旋转效果
    .el-tree-node__expand-icon.expanded {
      -webkit-transform: rotate(0deg);
      transform: rotate(0deg);
    }
    // 有子节点 且未展开 +
    .el-icon-caret-right:before {
      background: url("~@/assets/common/add-circle.png") no-repeat 0 0;
      content: '';
      display: block;
      width: 16px;
      height: 16px;
      font-size: 16px;
      background-size: 16px;
    }
    // 有子节点 且已展开 -
    .el-tree-node__expand-icon.expanded.el-icon-caret-right:before{
      background: url("~@/assets/common/minus-circle.png") no-repeat 0 0;
      content: '';
      display: block;
      width: 16px;
      height: 16px;
      font-size: 16px;
      background-size: 16px;
    }
    // 没有子节点
    .el-tree-node__expand-icon.is-leaf::before  {
      background: url("~@/assets/common/user-filling.png") no-repeat 0 0;
      content: '';
      display: block;
      width: 16px;
      height: 16px;
      font-size: 16px;
      background-size: 16px;
    }
  }
}
</style>
